Aroiu Ovidiu, had you posted "this topic" problem on acer community site? Or
you have another issue?
Also this problem listed on AMD community. And question even marked as answered.
https://community.amd.com/thread/234045
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I have "not-G" A315 with 2200u and can boot with acpi=noirq. With lots
of warnings, but works, no slowdown. Thought this option does same with
irqs as acpi=off or pci=noacpi (using MPTable instead of ACPI table).
I'm still on factory 1.03 BIOS, and with "noapic" parameter everything looks OK
on
Kalin Stoyanov, I had slowdown on boot even before X-session with ivrs_ioapic
param. Can not remember fan noise in X, so there was no heavy cpu usage.
Sorry for such long response - no email notifications from launchpad.
Have you tried acpi=noirq instead of pci=noacpi?
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You received this bug
Ubuntu 18.10 can boot with acpi=noirq kernel parameter from liveUSB. At
first glance it works well (HDMI, ethernet and suspend had not been
tested). While dmesg is hugely different from "noapic", /proc/interrupts
still shows no APIC controller in use.
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You may check cpu frequency and try to cap it via cpupower. But high
power drain persist in windows too, so this is not fully linux problem.
To be honest, i'm not believe battery reset helps, but who knows...
There was another (cpu related) problem with another Acer laptop, that was
fixed that
you (bountou), have you tried reset bios settings to defaults and/or
perform battery reset?
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Packages, which is subscribed to linux-firmware in Ubuntu.
https://bugs.launchpad.net/bugs/1776563
Title:
Acer Aspire A315
Strange... Is there really almost the same laptops with Metapod_RR motherboard?
Mine have 38-46C idle temp and 72C while gaming with AC plugged. With TLP
Ubuntu reports for 5+ hours estimated battery runtime (idle, almost minimum
brightness; 4h without TLP). Or 3 hours of FHD video in VLC. So
I have higher power consumption after suspend-resume. It raises from usual ~7
Watts to 10-11 while idle (Measured by PowerTop). I'm using TLP powersaving
utility on Ubuntu 18.04 LTS and Powertop as monitoring tool. Have not noticed
any CPU frequency abnormalities. Also i've tried force set
Earlier I've got kernel panic (no working init found) with IOMMU disabled in
BIOS and without additional kernel parameters.
And one strange thing: with Ubuntu my touchpad works in advanced multitouch
mode but in bios is set basic mode. With Fedora 28 it works in basic mode and
do not work when
I have same problem with ACER Aspire a315-41-R19S (ryzen 2200u without dGPU).
I'm using Ubuntu 18.04.1 with noapic kernel parameter (Manjaro don't work
without it too). With suggested ivrs_ioapic[4]... parameters GUI is very slow.
Fedora boots without any additional kernel parameters, but
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